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Disclosery

New Leaf Venture Partners, L.L.C.: ALEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of New Leaf Venture Partners, L.L.C. on ALEC, newest first. How the timeline and the estimate are built.

New Leaf Venture Partners, L.L.C. held 339,569 ALEC shares at 2025-09-30 per its 13F-HR filed 2025-11-14.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 339,569 shares
    Change vs previous 13F 0 shares

    2.33% of the 13F portfolio, value $1,005,124.

    13F-HR 0001193125-25-280589 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2025-06-30
    13F 339,569 shares
    Change vs previous 13F 0 shares

    0.9% of the 13F portfolio, value $475,397.

    13F-HR 0000950123-25-007852 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-03-31
    13F 339,569 shares
    Change vs previous 13F 0 shares

    0.93% of the 13F portfolio, value $417,670.

    13F-HR 0000950123-25-004966 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2024-12-31
    13F 339,569 shares
    Change vs previous 13F 0 shares

    0.86% of the 13F portfolio, value $641,785.

    13F-HR 0000950123-25-002058 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-09-30
    13F 339,569 shares
    Change vs previous 13F 0 shares

    1.63% of the 13F portfolio, value $1,582,392.

    13F-HR 0000950123-24-011274 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2024-06-30
    13F 339,569 shares
    Change vs previous 13F 0 shares

    1.87% of the 13F portfolio, value $1,541,643.

    13F-HR 0000950123-24-008255 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-03-31
    13F 339,569 shares
    Change vs previous 13F 0 shares

    1.79% of the 13F portfolio, value $2,044,205.

    13F-HR 0000950123-24-005071 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2023-12-31
    13F 339,569 shares
    Change vs previous 13F not available

    2.18% of the 13F portfolio, value $2,709,761.

    13F-HR 0000950123-24-002003 filed by New Leaf Venture Partners, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).